import { Link } from 'react-router-dom'
import { Popconfirm, Card, Breadcrumb, Form, Button, Radio, DatePicker, Select } from 'antd'
import 'moment/locale/zh-cn'
import locale from 'antd/es/date-picker/locale/zh_CN'
import './index.scss'
import { Table, Tag, Space } from 'antd'
import { EditOutlined, DeleteOutlined } from '@ant-design/icons'

import img404 from '@/assets/error.png'
import { useEffect, useState } from 'react'
import { http } from '@/utils'
import { history } from '@/utils/history'
import { useStore } from '@/store'
import { observer } from 'mobx-react-lite'

const { Option } = Select
const { RangePicker } = DatePicker

const Article = () => {
  const { channelStore } = useStore()
  // //频道列表管理
  // const [channelList, setChannelList] = useState([])
  // const loadChannelList = async () => {
  //   const res = await http.get('/channels')
  //   setChannelList(res.data.channels)
  // }
  // useEffect(() => {
  //   loadChannelList()
  // }, [])
  //文章列表管理
  const [article, setArticleList] = useState({
    list: [],//文章列表
    count: 0//文章数量
  })
  // 参数管理
  const [params, setParams] = useState({
    page: 1,
    per_page: 10,
    // status: 1
  })
  useEffect(() => {
    // 如果异步请求函数需要依赖一些数据的变化而重新执行
    // 推荐把它写到内部
    // 统一不抽离函数到外面 只要涉及到异步请求的函数 都放到useEffect内部
    // 本质区别：写到外面每次组件更新都会重新进行函数初始化 这本身就是一次性能消耗
    // 而写到useEffect中 只会在依赖项发生变化的时候 函数才会进行重新初始化
    // 避免性能损失
    const loadList = async () => {
      const res = await http.get('/mp/articles', { params })
      // console.log('res', res)
      const { results, total_count } = res.data
      setArticleList({
        list: results,
        count: total_count
      })
    }
    loadList()
  }, [params])
  const onFinish = (values) => {
    console.log(values)
    const { channel_id, date, status } = values
    //数据处理
    const _params = {}
    // 格式化status
    _params.status = status
    if (channel_id) {
      _params.channel_id = channel_id
    }
    if (date) {
      _params.begin_pubdate = date[0].format('YYYY-MM-DD')
      _params.end_pubdate = date[1].format('YYYY-MM-DD')
    }
    //修改params数据 引起接口的重新发送 对象的合并是一个整体覆盖
    setParams({ ...params, ..._params })
  }
  //分页
  const pageChange = (page) => {
    setParams({
      ...params,
      page
    })
  }
  //删除
  const delArticle = async (data) => {
    await http.delete(`/mp/articles/${data.id}`)
    //更新列表
    setParams({
      page: 1,
      per_page: 10
    })
  }
  const columns = [
    {
      title: '封面',
      dataIndex: 'cover',
      width: 120,
      render: cover => {
        return <img src={cover.images[0] || img404} width={180} height={120} alt="" />
      }
    },
    {
      title: '标题',
      dataIndex: 'title',
      width: 220
    },
    {
      title: '状态',
      dataIndex: 'status',
      render: data => <Tag color="green">审核通过</Tag>
    },
    {
      title: '发布时间',
      dataIndex: 'pubdate'
    },
    {
      title: '阅读数',
      dataIndex: 'read_count'
    },
    {
      title: '评论数',
      dataIndex: 'comment_count'
    },
    {
      title: '点赞数',
      dataIndex: 'like_count'
    },
    {
      title: '操作',
      render: data => {
        return (
          <Space size="middle">
            <Button type="primary" shape="circle" icon={<EditOutlined />} onClick={() => history.push(`/publish?id=${data.id}`)} />
            <Popconfirm
              title="确认删除该条文章吗?"
              onConfirm={() => delArticle(data)}
              okText="确认"
              cancelText="取消"
            >
              <Button
                type="primary"
                danger
                shape="circle"
                icon={<DeleteOutlined />}

              /></Popconfirm>
          </Space>
        )
      }
    }
  ]

  return (
    <div>
      {/* 筛选区域 */}
      <Card
        title={
          <Breadcrumb separator=">">
            <Breadcrumb.Item>
              <Link to="/home">首页</Link>
            </Breadcrumb.Item>
            <Breadcrumb.Item>内容管理</Breadcrumb.Item>
          </Breadcrumb>
        }
        style={{ marginBottom: 20 }}
      >
        <Form
          onFinish={onFinish}
          initialValues={{ status: null }}>
          <Form.Item label="状态" name="status">
            <Radio.Group>
              <Radio value={null}>全部</Radio>
              <Radio value={0}>草稿</Radio>
              <Radio value={1}>待审核</Radio>
              <Radio value={2}>审核通过</Radio>
              <Radio value={3}>审核失败</Radio>
            </Radio.Group>
          </Form.Item>

          <Form.Item label="频道" name="channel_id">
            <Select
              placeholder="请选择文章频道"
              // defaultValue="lucy"
              style={{ width: 120 }}
            >
              {channelStore.channelList.map(channels => <Option value={channels.id} key={channels.id}>{channels.name}</Option>)}


            </Select>
          </Form.Item>

          <Form.Item label="日期" name="date">
            {/* 传入locale属性 控制中文显示*/}
            <RangePicker locale={locale}></RangePicker>
          </Form.Item>

          <Form.Item>
            <Button type="primary" htmlType="submit" style={{ marginLeft: 80 }}>
              筛选
            </Button>
          </Form.Item>
        </Form>
      </Card>
      {/* 文章列表数据 */}
      <Card title={`根据筛选条件共查询到 ${article.count} 条结果：`}>
        <Table rowKey="id" columns={columns} dataSource={article.list} pagination={{
          pageSize: params.per_page,
          total: article.count,
          onChange: pageChange
        }} />
      </Card>
    </div>
  )
}

export default observer(Article)